From mboxrd@z Thu Jan 1 00:00:00 1970 From: Theodore Ts'o Subject: Re: [PATCH] ext2fs: fix integer overflow in rb_get_bmap_range Date: Thu, 11 Dec 2014 17:58:28 -0500 Message-ID: <20141211225828.GH31008@thunk.org> References: <1418153416-17750-1-git-send-email-dmonakhov@openvz.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-ext4@vger.kernel.org To: Dmitry Monakhov Return-path: Received: from imap.thunk.org ([74.207.234.97]:51935 "EHLO imap.thunk.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S967342AbaLKW6a (ORCPT ); Thu, 11 Dec 2014 17:58:30 -0500 Content-Disposition: inline In-Reply-To: <1418153416-17750-1-git-send-email-dmonakhov@openvz.org> Sender: linux-ext4-owner@vger.kernel.org List-ID: On Tue, Dec 09, 2014 at 11:30:16PM +0400, Dmitry Monakhov wrote: > bmap_rb_extent is defined as __u64:blk __u64:count. So count can exceed INT_MAX on > populated filesystems > > TESTCASE: xfstest ext4/004 > > Signed-off-by: Dmitry Monakhov Applied, thanks. - Ted